| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] board of [noun pl] of [art] | 5 |
|
| 2 | [prep] board [prep] [noun pl] of [art] | 5 |
|
| 3 | [prep] board [prep] [noun pl] of the | 5 |
|
| 4 | [prep] board [prep] governors of [art] | 5 |
|
| 5 | [prep] board [prep] [noun pl] of [art] | 5 |
|
| 6 | [prep] board [prep] [noun pl] of the | 5 |
|
